Demons-matlab程序，Demons算法是一种基于灰度信息的全自动非刚性配准方法,其配准结果容易受图像之间灰度不一致的影响,且迭代收敛速度较慢-Demons- matlab, Demons algorithm is a kind of automatic non-rigid registration method based on gray level information and the registration results are vulnerable to the influ